Vitamin C: antioxidant critical for immune function and to help prevent aging Zinc: boosts the immune system, helps control blood sugar, and promotes a healthy cardiovascular system B1 & B3: assist the body with converting food into energy B2: promotes healthy muscle, nervous, and cardiovascular functions B5: supports metabolism and energy production B6: supports healthy brain and cardiovascular functions Biotin (B7): promotes healthy skin, hair, and nails; important for the metabolism of protein and carbs B12: critical for metabolism and energy